63 patients with depression were randomly divided into the treatment groups of paroxetine or imipramine for 6 weeks.HAMD were adopted to evaluate the therapeutie effect.
Then, it was found that the drugs iproniazid and imipramine could prevent the lethargy and apathy if given before the depressing drug reserpine — iproniazid and imipramine seemed to have an anti-depressant effect.